Finding the Fourth Proportional to 331,374.87, 457,217.93 and 195,398.15
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Solution
The fourth proportional to 331,374.87, 457,217.93 and 195,398.15 is: 269,602.63
Step by Step Solution
- Step 1: Write the proportion equation
331,374.87 : 457,217.93 = 195,398.15 : x - Step 2: Convert to fraction form
331,374.87/457,217.93 = 195,398.15/x - Step 3: Cross multiply
331,374.87x = 457,217.93 × 195,398.15 - Step 4: Simplify right side
331,374.87x = 89,339,535,871.24 - Step 5: Solve for x
x = 89,339,535,871.24/331,374.87 - Step 6: Final answer
x = 269,602.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.